package com.hd.rabbitmq.simple;

import com.hd.rabbitmq.util.ConnectionUtil;
import com.rabbitmq.client.*;

import java.io.IOException;

public class Recv2 {

     private final static String QUEUE_NAME = "simple_queue";

     public static void main(String[] argv) throws Exception {
         // 获取到连接
         Connection connection = ConnectionUtil.getConnection();
        // 创建通道
         final Channel channel = connection.createChannel();
        // 声明队列
         channel.queueDeclare(QUEUE_NAME, false, false, false, null);
         // 定义队列的消费者
        DefaultConsumer consumer = new DefaultConsumer(channel) {

            // 获取消息，并且处理，这个方法类似事件监听，如果有消息的时候，会被自动调用
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                // body 即消息体
                String msg = new String(body);
                System.out.println(" [x] received : " + msg + "!");
                channel.basicAck(envelope.getDeliveryTag(), false);
            }
         };
        // 监听队列，第二个参数false，手动进行ACK
        channel.basicConsume(QUEUE_NAME, false, consumer);
     }

}
